Who we are

Our Board

Mick Wilkes 011
Mick Wilkes

Independent Non-Executive Chair


Mick Wilkes is an experienced mining executive and company director with more than 35 years of broad international mining experience coupled with a successful track record of leading the development and operation of greenfield mines.

Most recently in his executive career, Mick was the President and CEO of dual listed (ASX and TSX) OceanaGold Corporation (ASX: OGC) from 2011 to 2020 where he led the transformation from a single asset junior company to a multinational mid-tier producer with four operations across three countries.

In previous roles he was the Executive General Manager of Operations at OZ Minerals responsible for the development of the Prominent Hill copper/gold project in South Australia and General Manager of the Sepon gold/copper project for Oxiana based in Laos.

Mick is currently a Non-Executive Chair of Kingston Resources Limited (ASX: KSN), Non-Executive Director of Genesis Minerals Limited (ASX: GMD), and a member of the Sustainable Minerals Institute’s Advisory Board at the University of Queensland. He was previously the Chair of the Governance Committee and a member of the Administration Committee of the World Gold Council.

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Bob Katsiouleris

CEO & Managing Director


Bob has over twenty five years of combined operational, engineering, and commercial experience in industrial minerals, and base metals, with an emphasis on improving profitability from mine to market.

Bob’s experience spans plant design and start-ups, new process and product development, and sales and marketing experience in mature and emerging markets for a wide range of minerals including zircon, rutile, borates, diatomite, silica, perlite, and more recently in zinc, lead, and associated by-products.

Bob has had success across bulk minerals and non-ferrous metals by always maintaining a focus on adding value via developing and implementing an industrial marketing model that creates uplift in a business by understanding the balance between mine to market, and market to mine.

Specialties: Industrial minerals, growth platforms, product development, and sales and marketing of non-commodity minerals, and commodity metals. Sales and marketing strategies, with a focus on the customer, product, and regional segmentation that improved profitability and created sustainable competitive advantage.

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Austen Perrin

Independent Non-Executive Director

B. Econ. (Acc.), CA, GAICD

Austen Perrin is currently a Non-Executive Director with AJ Lucas Group Limited and up until recently a Non-Executive Director for Round Oak Minerals Pty Limited. Austen currently chairs the Audit and Risk Committee for AJ Lucas and previously for Round Oak Minerals Pty Limited.

Austen previously worked as a group CFO/Finance Director for large ASX/ NZX Companies for nearly 20 years. He previously held the group CFO roles for the AJ Lucas Group, Whitehaven Coal, Asciano, Pacific National and Toll NZ Limited.

Austen has had significant experience in developing capital management strategies and financing solutions to support corporate objectives including development of key infrastructure and transport projects and underground coal mines. He has a breadth of experience gained in a variety of industries including transport and logistics, ports, road and rail infrastructure, coal, copper and gold mining, unconventional shale gas, mining services, oil, gas and water pipeline construction, general building construction and insurance.

He has been a chartered accountant for over 33 years and is a graduate of the Australian Institute of Company Directors.

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Sue-Ann Higgins

Independent Non-Executive Director

LLB (Hons), BA, GradDip Company Secretarial Practice, GradDip Applied Finance and Investment

Ms Higgins is an experienced legal practitioner and company director, with diversified skills and global corporate experience, gained over 30 years of experience in executive and non-executive roles in the resources sector.

During that time, Ms Higgins has held senior legal and commercial roles with various listed entities, including ARCO Coal Australia Inc, WMC Resources Ltd, Oxiana Limited and is currently an Executive Director of Metal Bank Limited (ASX:MBK).

Ms Higgins is a member of the Australian Institute of Company Directors (AICD), Energy & Resources Law (formerly AMPLA) and the Governance Institute of Australia

Ms Higgins holds a Bachelor of Arts and a Bachelor of Law (Hons) from the University of Queensland, Graduate Diplomas in Company Secretarial Practice (Chartered Secretaries Australia) and Applied Finance and Investment (Securities Institute of Australia), has completed the Australian Graduate School of Management’s Executive Program on Risk Management and AICD’s International Company Directors Course.